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A gaseous reaction A(2)(g) rarr B(g) + (...

A gaseous reaction `A_(2)(g) rarr B(g) + (1)/(2) C(g)` shows increase in pressure form `100 mm` to `120 mm` in `5 min`. What is the rate of disappearance of `A_(2)` ?

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The correct Answer is:
8
The increase in pressure shows the increase in conc. Of Z
Rate of appearance of Z `=(120-100)/5 = 4 mm min^(-1)`
Rate of disappearance of `X_(2) =2 xx` Rate of appearance of Z= `2 xx 4` mm `min^(-1) = 8 mm min^(-1)`
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